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    and revisit the ones you got wrong.

2. Track your GMAT Official Guide
    (OG13) performance (Set #29-36)

3. View video explanations



  Favorite Question Type Views % who got
it correct
Your
Answer
Correct
Answer
GMAT Practice Set # 1  
GMAT Problem Solving # 1 : Coordinate Triangles
 
  Geometry (Coordinates) 18714 63% View Show
GMAT Problem Solving # 2 : Numberline Reciprocals
 
  Numberline 15621 53% View Show
GMAT Problem Solving # 3 : Perimeter of a Triangle
  Geometry 13970 59% View Show
GMAT Practice Set # 2  
GMAT Problem Solving # 4 : Basic Algebraic Expression
  Algebra 9620 92% View Show
GMAT Problem Solving # 5 : Infinite Sequence
  Number Properties 9456 73% View Show
GMAT Problem Solving # 6 : Prime Number Properties
  Number Properties 9198 94% View Show
GMAT Practice Set # 3  
GMAT Problem Solving # 7 : Algebraic Expression
  Algebra 8702 68% View Show
GMAT Problem Solving # 8 : Sarah Sales Tax
  Word Problem (Algebra) 9051 57% View Show
GMAT Problem Solving # 9 : Odd and Even Integers
  Number Properties 19647 68% View Show
GMAT Practice Set # 4  
GMAT Problem Solving # 10 : Exponential Products
  Number Properties (Exponents) 6938 83% View Show
GMAT Problem Solving # 11 : Quarter of a Circle
  Geometry (Circles) 7541 75% View Show
GMAT Problem Solving # 12 : Square Root Estimation
  Algebra (Roots) 6744 81% View Show
GMAT Practice Set # 5  
GMAT Problem Solving # 13 : Hypothetical Functions
  Functions 7147 62% View Show
GMAT Problem Solving # 14 : Inscribed Circle
  Geometry 7932 66% View Show
GMAT Problem Solving # 15 : Basic and 3D TVs
 
  Word Problem (Algebra) 7677 55% View Show
GMAT Practice Set # 6  
GMAT Problem Solving # 16 : Numerical Properties
  Numberline 7852 66% View Show
GMAT Problem Solving # 17 : Area of a Diagram
  Word Problem (Geometry) 7214 63% View Show
GMAT Problem Solving # 18 : Factorial Calculations
  Number Properties (Factorial) 6151 83% View Show
GMAT Practice Set # 7  
GMAT Problem Solving # 19 : Inequality Graph
  Numberline 6068 72% View Show
GMAT Problem Solving # 20 : Inscribed Triangle
  Geometry 7840 82% View Show
GMAT Problem Solving # 21 : Arithmetic Mean
  Number Properties (Average) 6028 76% View Show
GMAT Practice Set # 8  
GMAT Problem Solving # 22 : Fractional Exponent Equation
  Algebra (Exponents) 6278 74% View Show
GMAT Problem Solving # 23 : Exponent Manipulation
  Algebra (Exponents) 6650 86% View Show
GMAT Problem Solving # 24 : Colleague Retirement
  Word Problem (Algebra) 5855 62% View Show
GMAT Practice Set # 9  
GMAT Problem Solving # 25 : Take Home Pay
  Word Problem (Algebra) 6542 54% View Show
GMAT Problem Solving # 26 : Functions with Two Variables
  Functions 5305 64% View Show
GMAT Problem Solving # 27 : Dividing Functions
  Functions 4479 77% View Show
GMAT Practice Set # 10  
GMAT Problem Solving # 28 : Difference of Squres
  Number Properties (Squares) 4734 74% View Show
GMAT Problem Solving # 29 : Square Root of Difference of Squares
  Algebra (Roots) 7642 88% View Show
GMAT Problem Solving # 30 : Circular Ring With Thickness
  Geometry (Circles) 6264 60% View Show
GMAT Practice Set # 11  
GMAT Problem Solving # 31 : Choosing Among Twins
  Word Problem: MultiLayered Combination (nCr) 10031 51% View Show
GMAT Problem Solving # 32 : Semicircle Coordinates
  Geometry (Coordinates) 5372 55% View Show
GMAT Problem Solving # 33 : Triangular Area
  Geometry (Triangle) 6151 57% View Show
GMAT Practice Set # 12  
GMAT Problem Solving # 34 : Double Triangle
  Geometry (Triangle) 5354 80% View Show
GMAT Problem Solving # 35 : Isosceles Right Triangle
  Geometry (Triangle) 5843 49% View Show
GMAT Problem Solving # 36 : Triangle and Square
  Geometry 5293 63% View Show
GMAT Practice Set # 13  
GMAT Problem Solving # 37 : Prime Sums
  Number Properties (Prime Numbers) 4826 89% View Show
GMAT Problem Solving # 38 : Combining Integers: Even or Odd
  Number Properties 4424 74% View Show
GMAT Problem Solving # 39 : Internal Review Interviews
  Word Problem (Probability) 4726 73% View Show
GMAT Practice Set # 14  
GMAT Problem Solving # 40 : Committee Probability
  Word Problem (Combinations) 5433 75% View Show
GMAT Problem Solving # 41 : Three teams of two people each
  Combination / Permutation 6306 59% View Show
GMAT Problem Solving # 42 : Subtracting Exponents
  Number Properties (Prime Numbers) 5407 54% View Show
GMAT Practice Set # 15  
GMAT Problem Solving # 43 : Smoothie Mixtures
  Word Problem (Mixtures) 5579 52% View Show
GMAT Problem Solving # 44 : Cleaning a Yacht
  Word Problem (Work) 4407 83% View Show
GMAT Problem Solving # 45 : Treadmill Running
  Word Problem (Work) 8500 20% View Show
GMAT Practice Set # 16  
GMAT Problem Solving # 46 : Algebraic Definition
  Algebra (Roots) 4413 73% View Show
GMAT Problem Solving # 47 : Basketball - Who Is on my team
 
  Combination / Permutation 4943 66% View Show
GMAT Problem Solving # 48 : Basketball Representatives
  Combination / Permutation 5313 57% View Show
GMAT Practice Set # 17  
GMAT Problem Solving # 49 : Basketball - Who is on my team (B)
  Combination / Permutation 20004 30% View Show
GMAT Problem Solving # 50 : Mini-Volleyball Teams
  Combination / Permutation 4908 58% View Show
GMAT Problem Solving # 51 : Team Assignments
  Probabilities 3949 78% View Show
GMAT Practice Set # 18  
GMAT Problem Solving # 52 : Taxi and Bus
  Rates 4700 67% View Show
GMAT Problem Solving # 53 : Racing Cars
  Rates 3507 81% View Show
GMAT Problem Solving # 54 : Kickball Competition
  Combination / Permutation 3343 82% View Show
GMAT Practice Set # 19  
GMAT Problem Solving # 55 : Mixing Rice
  Mixtures 3906 79% View Show
GMAT Problem Solving # 56 : Sand and Soil
  Mixtures 4259 56% View Show
GMAT Problem Solving # 57 : Dating Among Threes
  Combination / Permutation 3444 73% View Show
GMAT Practice Set # 20  
GMAT Problem Solving # 58 : Dating Among A Set of Medical Interns
  Combination / Permutation 3977 63% View Show
GMAT Problem Solving # 59 : Paycheck Averages
  3279 69% View Show
GMAT Problem Solving # 60 : Class Assignments
  Probabilities 4753 38% View Show
GMAT Practice Set # 21  
GMAT Problem Solving # 61 : Choosing a Literature Panel
  Combination / Permutation 3542 58% View Show
GMAT Problem Solving # 62 : Units Digit of Exponents
  Number Properties 3922 50% View Show
GMAT Problem Solving # 63 : Big Number divisible by 11
  Number Properties (divisibility) 3451 55% View Show
GMAT Practice Set # 22  
GMAT Problem Solving # 64 : Expression Divisible by 3
  Divisibility 3741 51% View Show
GMAT Problem Solving # 65 : Expression Not Divisible By
  Divisibility 2977 88% View Show
GMAT Problem Solving # 66 : Sum of Expression for 10 Integers
  Sum of Sequence 3306 58% View Show
GMAT Practice Set # 23  
GMAT Problem Solving # 67 : Triple Repayment Plan
  Sum of Sequence 3629 51% View Show
GMAT Problem Solving # 68 : Divisibility for Large Number
  Divisibility 3665 66% View Show
GMAT Problem Solving # 69 : Cooking Teams
  Combination / Permutation 3281 49% View Show
GMAT Practice Set # 24  
GMAT Problem Solving # 70 : Sum of Even Integers 102-200
  Sum of Sequence 2488 70% View Show
GMAT Problem Solving # 71 : Probability At Least 1 Pair
  Combination / Permutation 4443 44% View Show
GMAT Problem Solving # 72 : Hacking a Password
  Combination / Permutation 4038 60% View Show
GMAT Practice Set # 25  
GMAT Problem Solving # 73 : Length of Arc
  Geometry (Circles) 4034 54% View Show
GMAT Problem Solving # 74 : Fair Coin Toss 5 Times (ways)
  Combination / Permutation 3773 33% View Show
GMAT Problem Solving # 75 : Gallon Consumption Comparison
  Rate Problem 3042 69% View Show
GMAT Practice Set # 26  
GMAT Problem Solving # 76 : Car Seating Arrangement
  Combination / Permutation 5848 59% View Show
GMAT Problem Solving # 77 : Probability of a Digit in a 3-digit Number
  Number Properties (Digits) 3766 41% View Show
GMAT Problem Solving # 78 : Least Common Multiple Thru 8
  Number Properties (LCM) 2788 72% View Show
GMAT Practice Set # 27  
GMAT Problem Solving # 79 : Quality Control on Glass Smartphones
  Probability 3280 52% View Show
GMAT Problem Solving # 80 : Integrated Team Formations
  Combination / Permutation 2445 88% View Show
GMAT Problem Solving # 81 : Exponent Manipulation
  Exponents 2627 88% View Show
GMAT Practice Set # 28  
GMAT Problem Solving # 82 : Red Striped Golf Balls
 
  Probability 2803 74% View Show
GMAT Problem Solving # 83 : Sum of Two Exponents
  Number Properties (Exponent) 2825 77% View Show
GMAT Problem Solving # 84 : Passwords 4 or 5 characters
  Combination / Permutation 3176 42% View Show
GMAT Practice Set # 29  
GMAT Problem Solving # 85
  1986 69% View Show
GMAT Problem Solving # 86 : OG13-230
 
  Large Exponents 3455 56% View Show
GMAT Problem Solving # 87 : OG13-229
 
  Fractional Inequality 3501 40% View Show
GMAT Practice Set # 30  
GMAT Problem Solving # 88 : OG13-228
 
  Coordinate Geometry 2754 55% View Show
GMAT Problem Solving # 89 : OG13-227
 
  Decimal and Powers of 10 2163 62% View Show
GMAT Problem Solving # 90 : OG13-226
 
  Word Problem (Fractions) 2076 72% View Show
GMAT Practice Set # 31  
GMAT Problem Solving # 91 : OG13-225
 
  Odd and Even Integers 1974 70% View Show
GMAT Problem Solving # 92 : OG13-224
 
  Mixtures 2954 67% View Show
GMAT Problem Solving # 93 : OG13-223
 
  Algebra 1491 83% View Show
GMAT Practice Set # 32  
GMAT Problem Solving # 94 : OG13-222
 
  Venn Diagram 2128 75% View Show
GMAT Problem Solving # 95 : OG13-221
 
  Number Properties (Consecutive Integers) 1352 87% View Show
GMAT Problem Solving # 96 : OG13-220
 
  Algebra (Fractions) 1465 91% View Show
GMAT Practice Set # 33  
GMAT Problem Solving # 97 : OG13-219
 
  Word Problem (Factors) 1528 76% View Show
GMAT Problem Solving # 98 : OG13-218
 
  Decimal Digits 2947 30% View Show
GMAT Problem Solving # 99 : OG 13-217
 
  Fractions, Negative Exponents 1652 90% View Show
GMAT Practice Set # 34  
GMAT Problem Solving # 100 : OG13-216
 
  Fractions and Equations 1745 84% View Show
GMAT Problem Solving # 101 : OG13-215
 
  Word Problem (Probability) 1744 78% View Show
GMAT Problem Solving # 102 : OG13-214
 
  Word Problem (Algebra) 1559 68% View Show
GMAT Practice Set # 35  
GMAT Problem Solving # 103 : OG13-213
 
  Geometry 1647 85% View Show
GMAT Problem Solving # 104 : OG13-212
 
  Number Properties 1673 86% View Show
GMAT Problem Solving # 105 : OG13-211
 
  Geometry (Coordinates) 1393 67% View Show
GMAT Practice Set # 36  
GMAT Problem Solving # 106 : OG13-210
 
  Geometry (Lines and Angles) 1502 86% View Show
GMAT Problem Solving # 107 : OG13-209
 
  Algebra 2207 55% View Show
GMAT Problem Solving # 108 : Function of y and 1-y
  Functions 1949 66% View Show
GMAT Practice Set # 37  
GMAT Problem Solving # 109 : Committee at most 1 married couple
  Combination / Permutation 3148 28% View Show
GMAT Problem Solving # 110 : MBA Admissions Committee
  Combination / Permutation 3005 39% View Show
GMAT Problem Solving # 111 : MBA Admissions Committee 2
  Combination / Permutation 3010 27% View Show
GMAT Practice Set # 38  
GMAT Problem Solving # 112 : Marbles in Pockets
  Combination / Permutation 3441 9% View Show
GMAT Problem Solving # 113 : Marbles in Pockets 2
  Combination / Permutation 3044 25% View Show
GMAT Problem Solving # 114 : Mixed Tennis
  Combination / Permutation 2712 21% View Show
GMAT Practice Set # 39  
GMAT Problem Solving # 115 : Movie Date and Couples
  Combination / Permutation 2810 34% View Show
GMAT Problem Solving # 116 : Probability of divisibility
  Divisibility 2718 29% View Show
GMAT Problem Solving # 117 : Roll a Double Dice
  Probability 2546 58% View Show
GMAT Practice Set # 40  
GMAT Problem Solving # 118 : Right Triangle in Circle
  Geometry 2081 81% View Show
GMAT Problem Solving # 119 : Maxwell and Brad Meet 1
  Rate Problem 2105 83% View Show
GMAT Problem Solving # 120 : Maxwell and Brad Meet 2
  Rate Problem 1907 81% View Show
GMAT Practice Set # 41  
GMAT Problem Solving # 121 : Maxwell and Brad Meet 3
  Rate Problem 2433 68% View Show
GMAT Problem Solving # 122 : Maxwell and Brad Meet 4
  Rate Problem 2221 74% View Show
GMAT Problem Solving # 123 : Less than 10 percent both are male
  Combination / Permutation 2039 38% View Show
GMAT Practice Set # 42  
GMAT Problem Solving # 124 : Triplets in Triathlon
  Combinatorics 1215 55% View Show
GMAT Problem Solving # 125 : Expression must be an integer
  Divisibility 1278 43% View Show
GMAT Problem Solving # 126 : Products and Factors
  1445 32% View Show
GMAT Practice Set # 43  
GMAT Problem Solving # 127 : Geometry
  Squares & Triangles 2143 28% View Show
GMAT Problem Solving # 128 : Circle inscribed in Triangle
  Geometry (Circles and Triangles) 2048 31% View Show
GMAT Practice Set # 44  
GMAT Problem Solving # 129 : Python and Rails Developers
  Combination / Permutation 3379 61% View Show
GMAT Problem Solving # 130 : Algebraic Expression with Exponents
  Algebra (Exponents) 2556 71% View Show
GMAT Problem Solving # 131 : Square Root of a Number
  Algebra (Roots) 2568 86% View Show
GMAT Practice Set # 45  
GMAT Problem Solving # 132 : Demographic Statistics
  Word Problem (Probability) 3737 47% View Show
GMAT Problem Solving # 133 : Simple Arithmetic
  Word Problem (Algebra) 2457 91% View Show
GMAT Problem Solving # 134 : Sales of Diamond Rings
  Word Problem (Algebra) 2550 70% View Show
GMAT Practice Set # 46  
GMAT Problem Solving # 135 : Inequality Solution Sets
  Numberline 4824 40% View Show
GMAT Problem Solving # 136 : Chemical Air Ventillation
  Word Problem (Work) 2439 76% View Show
GMAT Problem Solving # 137 : Accounting and Gender
  Word Problem (Probability) 2831 69% View Show
GMAT Practice Set # 47  
GMAT Problem Solving # 138 : Semicircle Coordinates
  Word Problem (Geometry) 2400 54% View Show
GMAT Problem Solving # 139 : Flexible Rubber Belt
  Circles and Shapes 2589 64% View Show
GMAT Problem Solving # 140 : Monthly Savings
  Word Problem (Fractions) 2329 60% View Show
GMAT Practice Set # 48  
GMAT Problem Solving # 141 : Function Constraints
  Number Properties (Functions) 1767 71% View Show
GMAT Problem Solving # 142 : Growth in Population
  Word Problem (Arithmetic) 2036 79% View Show
GMAT Problem Solving # 143 : Snack Sales
  World Problem (Arithmetic) 1701 77% View Show
GMAT Practice Set # 49  
GMAT Problem Solving # 144 : Area of Triangle
  Geometry (Triangle) 3267 43% View Show
GMAT Problem Solving # 145 : Sum of Squares
  Number Properties (Squares) 2718 60% View Show
GMAT Problem Solving # 146 : Basket Ratios
  Algebra 2298 53% View Show
GMAT Practice Set # 50  
GMAT Problem Solving # 147 : Rectangle Ratios
  Geometry 2496 66% View Show
GMAT Problem Solving # 148 : Headcount Reduction
  Algebra 2881 54% View Show
GMAT Problem Solving # 149 : Area of Two New Shapes
  Geometry 2004 70% View Show
GMAT Practice Set # 51  
GMAT Problem Solving # 150 : Hiring Assistant Managers
  Combination / Permutation 1888 72% View Show
GMAT Problem Solving # 151 : Unit Sales for Products
  Arithemtic (mean/median) 1676 78% View Show
GMAT Problem Solving # 152 : Advising Banking Deals
  Combination / Permutation 1921 69% View Show
GMAT Practice Set # 52  
GMAT Problem Solving # 153 : Average Car Speed
  Rate Problem 1999 72% View Show
GMAT Problem Solving # 154 : Conference Table Arrangements
  Combination / Permutation 1998 69% View Show
GMAT Problem Solving # 155 : Picking a Lab Partner
  Combination / Permutation 1955 39% View Show
GMAT Practice Set # 53  
GMAT Problem Solving # 156 : Apartment Bidding War
  Arithemtic (mean/median) 1785 93% View Show
GMAT Problem Solving # 157 : Even Expression
  Algebra 2042 65% View Show
GMAT Problem Solving # 158 : Bond Investment Yields
  Algebra 2554 59% View Show
GMAT Practice Set # 54  
GMAT Problem Solving # 159 : Sequencing the Human Genome (num days)
  Rate Problem 2031 74% View Show
GMAT Problem Solving # 160 : Circular Gears
  Rate Problem 5194 74% View Show
GMAT Problem Solving # 161 : Hiring in 3 Locations
  Probabilities 1775 79% View Show
GMAT Practice Set # 55  
GMAT Problem Solving # 162 : Finding a Co-Founder
  Combination / Permutation 1953 62% View Show
GMAT Problem Solving # 163 : Circle Arrangements
  Combination / Permutation 2305 52% View Show
GMAT Problem Solving # 164 : Sequencing the Human Genome (num machines)
  Rate Problem 2066 67% View Show
GMAT Practice Set # 56  
GMAT Problem Solving # 165 : Sequencing the Human Genome (different num of computers)
  Rate Problem 1967 64% View Show
GMAT Problem Solving # 166 : Area of Square Region
  Geometry 2876 61% View Show
GMAT Problem Solving # 167 : Warehouse Digits Leading Zeros
  Variations 2540 46% View Show
GMAT Practice Set # 57  
GMAT Problem Solving # 168 : Choosing a Literature Panel
  Combination / Permutation 1868 65% View Show
GMAT Problem Solving # 169 : Investing in Savings Account
  Interest Rate 1726 38% View Show
GMAT Problem Solving # 170 : Investing in Savings Account - interest
  Interest Rate 1521 62% View Show
GMAT Practice Set # 58  
GMAT Problem Solving # 171 : Sum of Expression for 11 Integers
  Sum of Sequence 2518 60% View Show
GMAT Problem Solving # 172 : Sum of Expression for 5 Integers
  Sum of Sequence 2066 62% View Show
GMAT Problem Solving # 173 : Sum of Expression for Even Integers
  Sum of Sequence 2600 36% View Show
GMAT Practice Set # 59  
GMAT Problem Solving # 174 : Sum of First 50 Odd Integers
  Sum of Sequence 2497 74% View Show
GMAT Problem Solving # 175 : Sum of Odd Integers 102-200
  Sum of Sequence 2908 66% View Show
GMAT Problem Solving # 176 : Length of Arc Tip
  Geometry (Circles) 2516 63% View Show
GMAT Practice Set # 60  
GMAT Problem Solving # 177 : Fair Coin Toss 5 Times (probability)
  Combination / Permutation 3252 37% View Show
GMAT Problem Solving # 178 : Car Seating Arrangement (father in back)
  Combination / Permutation 2246 49% View Show
GMAT Problem Solving # 179 : Car Seating Arrangement (father center back)
  Combination / Permutation 1746 86% View Show
GMAT Practice Set # 61  
GMAT Problem Solving # 180 : Car Seating Arrangement (Matt Peter cannot sit next to each other)
  Combination / Permutation 2921 43% View Show
GMAT Problem Solving # 181 : Circular Seating Table
  Combinatorics 2481 60% View Show
GMAT Problem Solving # 182 : Algebraic Equality
  Algebra 1904 67% View Show
GMAT Practice Set # 62  
GMAT Problem Solving # 183 : Sharing Donuts
  Combinatorics 2582 29% View Show
GMAT Problem Solving # 184 : Distance Rate Question
  Rates 2087 58% View Show
GMAT Problem Solving # 185 : Looking into the Pool
  Geometry 1578 80% View Show
GMAT Practice Set # 63  
GMAT Problem Solving # 186 : Function as Product of All Odd Integers
  Number Properties 1583 63% View Show
GMAT Practice Set Favorite Question Type Views % who got it correct Your Answer Correct Answer
GMAT Practice Set # 1          
GMAT Problem Solving # 1 : Coordinate Triangles
 
  Geometry (Coordinates) 18714 63% View Show
GMAT Problem Solving # 2 : Numberline Reciprocals
 
  Numberline 15621 53% View Show
GMAT Problem Solving # 3 : Perimeter of a Triangle
  Geometry 13970 59% View Show
GMAT Practice Set # 2          
GMAT Problem Solving # 4 : Basic Algebraic Expression
  Algebra 9620 92% View Show
GMAT Problem Solving # 5 : Infinite Sequence
  Number Properties 9456 73% View Show
GMAT Problem Solving # 6 : Prime Number Properties
  Number Properties 9198 94% View Show
GMAT Practice Set # 3          
GMAT Problem Solving # 7 : Algebraic Expression
  Algebra 8702 68% View Show
GMAT Problem Solving # 8 : Sarah Sales Tax
  Word Problem (Algebra) 9051 57% View Show
GMAT Problem Solving # 9 : Odd and Even Integers
  Number Properties 19647 68% View Show
GMAT Practice Set # 4          
GMAT Problem Solving # 10 : Exponential Products
  Number Properties (Exponents) 6938 83% View Show
GMAT Problem Solving # 11 : Quarter of a Circle
  Geometry (Circles) 7541 75% View Show
GMAT Problem Solving # 12 : Square Root Estimation
  Algebra (Roots) 6744 81% View Show
GMAT Practice Set # 5          
GMAT Problem Solving # 13 : Hypothetical Functions
  Functions 7147 62% View Show
GMAT Problem Solving # 14 : Inscribed Circle
  Geometry 7932 66% View Show
GMAT Problem Solving # 15 : Basic and 3D TVs
 
  Word Problem (Algebra) 7677 55% View Show
GMAT Practice Set # 6          
GMAT Problem Solving # 16 : Numerical Properties
  Numberline 7852 66% View Show
GMAT Problem Solving # 17 : Area of a Diagram
  Word Problem (Geometry) 7214 63% View Show
GMAT Problem Solving # 18 : Factorial Calculations
  Number Properties (Factorial) 6151 83% View Show
GMAT Practice Set # 7          
GMAT Problem Solving # 19 : Inequality Graph
  Numberline 6068 72% View Show
GMAT Problem Solving # 20 : Inscribed Triangle
  Geometry 7840 82% View Show
GMAT Problem Solving # 21 : Arithmetic Mean
  Number Properties (Average) 6028 76% View Show
GMAT Practice Set # 8          
GMAT Problem Solving # 22 : Fractional Exponent Equation
  Algebra (Exponents) 6278 74% View Show
GMAT Problem Solving # 23 : Exponent Manipulation
  Algebra (Exponents) 6650 86% View Show
GMAT Problem Solving # 24 : Colleague Retirement
  Word Problem (Algebra) 5855 62% View Show
GMAT Practice Set # 9          
GMAT Problem Solving # 25 : Take Home Pay
  Word Problem (Algebra) 6542 54% View Show
GMAT Problem Solving # 26 : Functions with Two Variables
  Functions 5305 64% View Show
GMAT Problem Solving # 27 : Dividing Functions
  Functions 4479 77% View Show
GMAT Practice Set # 10          
GMAT Problem Solving # 28 : Difference of Squres
  Number Properties (Squares) 4734 74% View Show
GMAT Problem Solving # 29 : Square Root of Difference of Squares
  Algebra (Roots) 7642 88% View Show
GMAT Problem Solving # 30 : Circular Ring With Thickness
  Geometry (Circles) 6264 60% View Show
GMAT Practice Set # 11          
GMAT Problem Solving # 31 : Choosing Among Twins
  Word Problem: MultiLayered Combination (nCr) 10031 51% View Show
GMAT Problem Solving # 32 : Semicircle Coordinates
  Geometry (Coordinates) 5372 55% View Show
GMAT Problem Solving # 33 : Triangular Area
  Geometry (Triangle) 6151 57% View Show
GMAT Practice Set # 12          
GMAT Problem Solving # 34 : Double Triangle
  Geometry (Triangle) 5354 80% View Show
GMAT Problem Solving # 35 : Isosceles Right Triangle
  Geometry (Triangle) 5843 49% View Show
GMAT Problem Solving # 36 : Triangle and Square
  Geometry 5293 63% View Show
GMAT Practice Set # 13          
GMAT Problem Solving # 37 : Prime Sums
  Number Properties (Prime Numbers) 4826 89% View Show
GMAT Problem Solving # 38 : Combining Integers: Even or Odd
  Number Properties 4424 74% View Show
GMAT Problem Solving # 39 : Internal Review Interviews
  Word Problem (Probability) 4726 73% View Show
GMAT Practice Set # 14          
GMAT Problem Solving # 40 : Committee Probability
  Word Problem (Combinations) 5433 75% View Show
GMAT Problem Solving # 41 : Three teams of two people each
  Combination / Permutation 6306 59% View Show
GMAT Problem Solving # 42 : Subtracting Exponents
  Number Properties (Prime Numbers) 5407 54% View Show
GMAT Practice Set # 15          
GMAT Problem Solving # 43 : Smoothie Mixtures
  Word Problem (Mixtures) 5579 52% View Show
GMAT Problem Solving # 44 : Cleaning a Yacht
  Word Problem (Work) 4407 83% View Show
GMAT Problem Solving # 45 : Treadmill Running
  Word Problem (Work) 8500 20% View Show
GMAT Practice Set # 16          
GMAT Problem Solving # 46 : Algebraic Definition
  Algebra (Roots) 4413 73% View Show
GMAT Problem Solving # 47 : Basketball - Who Is on my team
 
  Combination / Permutation 4943 66% View Show
GMAT Problem Solving # 48 : Basketball Representatives
  Combination / Permutation 5313 57% View Show
GMAT Practice Set # 17          
GMAT Problem Solving # 49 : Basketball - Who is on my team (B)
  Combination / Permutation 20004 30% View Show
GMAT Problem Solving # 50 : Mini-Volleyball Teams
  Combination / Permutation 4908 58% View Show
GMAT Problem Solving # 51 : Team Assignments
  Probabilities 3949 78% View Show
GMAT Practice Set # 18          
GMAT Problem Solving # 52 : Taxi and Bus
  Rates 4700 67% View Show
GMAT Problem Solving # 53 : Racing Cars
  Rates 3507 81% View Show
GMAT Problem Solving # 54 : Kickball Competition
  Combination / Permutation 3343 82% View Show
GMAT Practice Set # 19          
GMAT Problem Solving # 55 : Mixing Rice
  Mixtures 3906 79% View Show
GMAT Problem Solving # 56 : Sand and Soil
  Mixtures 4259 56% View Show
GMAT Problem Solving # 57 : Dating Among Threes
  Combination / Permutation 3444 73% View Show
GMAT Practice Set # 20          
GMAT Problem Solving # 58 : Dating Among A Set of Medical Interns
  Combination / Permutation 3977 63% View Show
GMAT Problem Solving # 59 : Paycheck Averages
  3279 69% View Show
GMAT Problem Solving # 60 : Class Assignments
  Probabilities 4753 38% View Show
GMAT Practice Set # 21          
GMAT Problem Solving # 61 : Choosing a Literature Panel
  Combination / Permutation 3542 58% View Show
GMAT Problem Solving # 62 : Units Digit of Exponents
  Number Properties 3922 50% View Show
GMAT Problem Solving # 63 : Big Number divisible by 11
  Number Properties (divisibility) 3451 55% View Show
GMAT Practice Set # 22          
GMAT Problem Solving # 64 : Expression Divisible by 3
  Divisibility 3741 51% View Show
GMAT Problem Solving # 65 : Expression Not Divisible By
  Divisibility 2977 88% View Show
GMAT Problem Solving # 66 : Sum of Expression for 10 Integers
  Sum of Sequence 3306 58% View Show
GMAT Practice Set # 23          
GMAT Problem Solving # 67 : Triple Repayment Plan
  Sum of Sequence 3629 51% View Show
GMAT Problem Solving # 68 : Divisibility for Large Number
  Divisibility 3665 66% View Show
GMAT Problem Solving # 69 : Cooking Teams
  Combination / Permutation 3281 49% View Show
GMAT Practice Set # 24          
GMAT Problem Solving # 70 : Sum of Even Integers 102-200
  Sum of Sequence 2488 70% View Show
GMAT Problem Solving # 71 : Probability At Least 1 Pair
  Combination / Permutation 4443 44% View Show
GMAT Problem Solving # 72 : Hacking a Password
  Combination / Permutation 4038 60% View Show
GMAT Practice Set # 25          
GMAT Problem Solving # 73 : Length of Arc
  Geometry (Circles) 4034 54% View Show
GMAT Problem Solving # 74 : Fair Coin Toss 5 Times (ways)
  Combination / Permutation 3773 33% View Show
GMAT Problem Solving # 75 : Gallon Consumption Comparison
  Rate Problem 3042 69% View Show
GMAT Practice Set # 26          
GMAT Problem Solving # 76 : Car Seating Arrangement
  Combination / Permutation 5848 59% View Show
GMAT Problem Solving # 77 : Probability of a Digit in a 3-digit Number
  Number Properties (Digits) 3766 41% View Show
GMAT Problem Solving # 78 : Least Common Multiple Thru 8
  Number Properties (LCM) 2788 72% View Show
GMAT Practice Set # 27          
GMAT Problem Solving # 79 : Quality Control on Glass Smartphones
  Probability 3280 52% View Show
GMAT Problem Solving # 80 : Integrated Team Formations
  Combination / Permutation 2445 88% View Show
GMAT Problem Solving # 81 : Exponent Manipulation
  Exponents 2627 88% View Show
GMAT Practice Set # 28          
GMAT Problem Solving # 82 : Red Striped Golf Balls
 
  Probability 2803 74% View Show
GMAT Problem Solving # 83 : Sum of Two Exponents
  Number Properties (Exponent) 2825 77% View Show
GMAT Problem Solving # 84 : Passwords 4 or 5 characters
  Combination / Permutation 3176 42% View Show
GMAT Practice Set # 29          
GMAT Problem Solving # 85
  1986 69% View Show
GMAT Problem Solving # 86 : OG13-230
 
  Large Exponents 3455 56% View Show
GMAT Problem Solving # 87 : OG13-229
 
  Fractional Inequality 3501 40% View Show
GMAT Practice Set # 30          
GMAT Problem Solving # 88 : OG13-228
 
  Coordinate Geometry 2754 55% View Show
GMAT Problem Solving # 89 : OG13-227
 
  Decimal and Powers of 10 2163 62% View Show
GMAT Problem Solving # 90 : OG13-226
 
  Word Problem (Fractions) 2076 72% View Show
GMAT Practice Set # 31          
GMAT Problem Solving # 91 : OG13-225
 
  Odd and Even Integers 1974 70% View Show
GMAT Problem Solving # 92 : OG13-224
 
  Mixtures 2954 67% View Show
GMAT Problem Solving # 93 : OG13-223
 
  Algebra 1491 83% View Show
GMAT Practice Set # 32          
GMAT Problem Solving # 94 : OG13-222
 
  Venn Diagram 2128 75% View Show
GMAT Problem Solving # 95 : OG13-221
 
  Number Properties (Consecutive Integers) 1352 87% View Show
GMAT Problem Solving # 96 : OG13-220
 
  Algebra (Fractions) 1465 91% View Show
GMAT Practice Set # 33          
GMAT Problem Solving # 97 : OG13-219
 
  Word Problem (Factors) 1528 76% View Show
GMAT Problem Solving # 98 : OG13-218
 
  Decimal Digits 2947 30% View Show
GMAT Problem Solving # 99 : OG 13-217
 
  Fractions, Negative Exponents 1652 90% View Show
GMAT Practice Set # 34          
GMAT Problem Solving # 100 : OG13-216
 
  Fractions and Equations 1745 84% View Show
GMAT Problem Solving # 101 : OG13-215
 
  Word Problem (Probability) 1744 78% View Show
GMAT Problem Solving # 102 : OG13-214
 
  Word Problem (Algebra) 1559 68% View Show
GMAT Practice Set # 35          
GMAT Problem Solving # 103 : OG13-213
 
  Geometry 1647 85% View Show
GMAT Problem Solving # 104 : OG13-212
 
  Number Properties 1673 86% View Show
GMAT Problem Solving # 105 : OG13-211
 
  Geometry (Coordinates) 1393 67% View Show
GMAT Practice Set # 36          
GMAT Problem Solving # 106 : OG13-210
 
  Geometry (Lines and Angles) 1502 86% View Show
GMAT Problem Solving # 107 : OG13-209
 
  Algebra 2207 55% View Show
GMAT Problem Solving # 108 : Function of y and 1-y
  Functions 1949 66% View Show
GMAT Practice Set # 37          
GMAT Problem Solving # 109 : Committee at most 1 married couple
  Combination / Permutation 3148 28% View Show
GMAT Problem Solving # 110 : MBA Admissions Committee
  Combination / Permutation 3005 39% View Show
GMAT Problem Solving # 111 : MBA Admissions Committee 2
  Combination / Permutation 3010 27% View Show
GMAT Practice Set # 38          
GMAT Problem Solving # 112 : Marbles in Pockets
  Combination / Permutation 3441 9% View Show
GMAT Problem Solving # 113 : Marbles in Pockets 2
  Combination / Permutation 3044 25% View Show
GMAT Problem Solving # 114 : Mixed Tennis
  Combination / Permutation 2712 21% View Show
GMAT Practice Set # 39          
GMAT Problem Solving # 115 : Movie Date and Couples
  Combination / Permutation 2810 34% View Show
GMAT Problem Solving # 116 : Probability of divisibility
  Divisibility 2718 29% View Show
GMAT Problem Solving # 117 : Roll a Double Dice
  Probability 2546 58% View Show
GMAT Practice Set # 40          
GMAT Problem Solving # 118 : Right Triangle in Circle
  Geometry 2081 81% View Show
GMAT Problem Solving # 119 : Maxwell and Brad Meet 1
  Rate Problem 2105 83% View Show
GMAT Problem Solving # 120 : Maxwell and Brad Meet 2
  Rate Problem 1907 81% View Show
GMAT Practice Set # 41          
GMAT Problem Solving # 121 : Maxwell and Brad Meet 3
  Rate Problem 2433 68% View Show
GMAT Problem Solving # 122 : Maxwell and Brad Meet 4
  Rate Problem 2221 74% View Show
GMAT Problem Solving # 123 : Less than 10 percent both are male
  Combination / Permutation 2039 38% View Show
GMAT Practice Set # 42          
GMAT Problem Solving # 124 : Triplets in Triathlon
  Combinatorics 1215 55% View Show
GMAT Problem Solving # 125 : Expression must be an integer
  Divisibility 1278 43% View Show
GMAT Problem Solving # 126 : Products and Factors
  1445 32% View Show
GMAT Practice Set # 43          
GMAT Problem Solving # 127 : Geometry
  Squares & Triangles 2143 28% View Show
GMAT Problem Solving # 128 : Circle inscribed in Triangle
  Geometry (Circles and Triangles) 2048 31% View Show
GMAT Practice Set # 44          
GMAT Problem Solving # 129 : Python and Rails Developers
  Combination / Permutation 3379 61% View Show
GMAT Problem Solving # 130 : Algebraic Expression with Exponents
  Algebra (Exponents) 2556 71% View Show
GMAT Problem Solving # 131 : Square Root of a Number
  Algebra (Roots) 2568 86% View Show
GMAT Practice Set # 45          
GMAT Problem Solving # 132 : Demographic Statistics
  Word Problem (Probability) 3737 47% View Show
GMAT Problem Solving # 133 : Simple Arithmetic
  Word Problem (Algebra) 2457 91% View Show
GMAT Problem Solving # 134 : Sales of Diamond Rings
  Word Problem (Algebra) 2550 70% View Show
GMAT Practice Set # 46          
GMAT Problem Solving # 135 : Inequality Solution Sets
  Numberline 4824 40% View Show
GMAT Problem Solving # 136 : Chemical Air Ventillation
  Word Problem (Work) 2439 76% View Show
GMAT Problem Solving # 137 : Accounting and Gender
  Word Problem (Probability) 2831 69% View Show
GMAT Practice Set # 47          
GMAT Problem Solving # 138 : Semicircle Coordinates
  Word Problem (Geometry) 2400 54% View Show
GMAT Problem Solving # 139 : Flexible Rubber Belt
  Circles and Shapes 2589 64% View Show
GMAT Problem Solving # 140 : Monthly Savings
  Word Problem (Fractions) 2329 60% View Show
GMAT Practice Set # 48          
GMAT Problem Solving # 141 : Function Constraints
  Number Properties (Functions) 1767 71% View Show
GMAT Problem Solving # 142 : Growth in Population
  Word Problem (Arithmetic) 2036 79% View Show
GMAT Problem Solving # 143 : Snack Sales
  World Problem (Arithmetic) 1701 77% View Show
GMAT Practice Set # 49          
GMAT Problem Solving # 144 : Area of Triangle
  Geometry (Triangle) 3267 43% View Show
GMAT Problem Solving # 145 : Sum of Squares
  Number Properties (Squares) 2718 60% View Show
GMAT Problem Solving # 146 : Basket Ratios
  Algebra 2298 53% View Show
GMAT Practice Set # 50          
GMAT Problem Solving # 147 : Rectangle Ratios
  Geometry 2496 66% View Show
GMAT Problem Solving # 148 : Headcount Reduction
  Algebra 2881 54% View Show
GMAT Problem Solving # 149 : Area of Two New Shapes
  Geometry 2004 70% View Show
GMAT Practice Set # 51          
GMAT Problem Solving # 150 : Hiring Assistant Managers
  Combination / Permutation 1888 72% View Show
GMAT Problem Solving # 151 : Unit Sales for Products
  Arithemtic (mean/median) 1676 78% View Show
GMAT Problem Solving # 152 : Advising Banking Deals
  Combination / Permutation 1921 69% View Show
GMAT Practice Set # 52          
GMAT Problem Solving # 153 : Average Car Speed
  Rate Problem 1999 72% View Show
GMAT Problem Solving # 154 : Conference Table Arrangements
  Combination / Permutation 1998 69% View Show
GMAT Problem Solving # 155 : Picking a Lab Partner
  Combination / Permutation 1955 39% View Show
GMAT Practice Set # 53          
GMAT Problem Solving # 156 : Apartment Bidding War
  Arithemtic (mean/median) 1785 93% View Show
GMAT Problem Solving # 157 : Even Expression
  Algebra 2042 65% View Show
GMAT Problem Solving # 158 : Bond Investment Yields
  Algebra 2554 59% View Show
GMAT Practice Set # 54          
GMAT Problem Solving # 159 : Sequencing the Human Genome (num days)
  Rate Problem 2031 74% View Show
GMAT Problem Solving # 160 : Circular Gears
  Rate Problem 5194 74% View Show
GMAT Problem Solving # 161 : Hiring in 3 Locations
  Probabilities 1775 79% View Show
GMAT Practice Set # 55          
GMAT Problem Solving # 162 : Finding a Co-Founder
  Combination / Permutation 1953 62% View Show
GMAT Problem Solving # 163 : Circle Arrangements
  Combination / Permutation 2305 52% View Show
GMAT Problem Solving # 164 : Sequencing the Human Genome (num machines)
  Rate Problem 2066 67% View Show
GMAT Practice Set # 56          
GMAT Problem Solving # 165 : Sequencing the Human Genome (different num of computers)
  Rate Problem 1967 64% View Show
GMAT Problem Solving # 166 : Area of Square Region
  Geometry 2876 61% View Show
GMAT Problem Solving # 167 : Warehouse Digits Leading Zeros
  Variations 2540 46% View Show
GMAT Practice Set # 57          
GMAT Problem Solving # 168 : Choosing a Literature Panel
  Combination / Permutation 1868 65% View Show
GMAT Problem Solving # 169 : Investing in Savings Account
  Interest Rate 1726 38% View Show
GMAT Problem Solving # 170 : Investing in Savings Account - interest
  Interest Rate 1521 62% View Show
GMAT Practice Set # 58          
GMAT Problem Solving # 171 : Sum of Expression for 11 Integers
  Sum of Sequence 2518 60% View Show
GMAT Problem Solving # 172 : Sum of Expression for 5 Integers
  Sum of Sequence 2066 62% View Show
GMAT Problem Solving # 173 : Sum of Expression for Even Integers
  Sum of Sequence 2600 36% View Show
GMAT Practice Set # 59          
GMAT Problem Solving # 174 : Sum of First 50 Odd Integers
  Sum of Sequence 2497 74% View Show
GMAT Problem Solving # 175 : Sum of Odd Integers 102-200
  Sum of Sequence 2908 66% View Show
GMAT Problem Solving # 176 : Length of Arc Tip
  Geometry (Circles) 2516 63% View Show
GMAT Practice Set # 60          
GMAT Problem Solving # 177 : Fair Coin Toss 5 Times (probability)
  Combination / Permutation 3252 37% View Show
GMAT Problem Solving # 178 : Car Seating Arrangement (father in back)
  Combination / Permutation 2246 49% View Show
GMAT Problem Solving # 179 : Car Seating Arrangement (father center back)
  Combination / Permutation 1746 86% View Show
GMAT Practice Set # 61          
GMAT Problem Solving # 180 : Car Seating Arrangement (Matt Peter cannot sit next to each other)
  Combination / Permutation 2921 43% View Show
GMAT Problem Solving # 181 : Circular Seating Table
  Combinatorics 2481 60% View Show
GMAT Problem Solving # 182 : Algebraic Equality
  Algebra 1904 67% View Show
GMAT Practice Set # 62          
GMAT Problem Solving # 183 : Sharing Donuts
  Combinatorics 2582 29% View Show
GMAT Problem Solving # 184 : Distance Rate Question
  Rates 2087 58% View Show
GMAT Problem Solving # 185 : Looking into the Pool
  Geometry 1578 80% View Show
GMAT Practice Set # 63          
GMAT Problem Solving # 186 : Function as Product of All Odd Integers
  Number Properties 1583 63% View Show

Take a full-length Practice Test (Beta)

This is your typical math section that involves a math simplification/calculation question. You'll need to understand number properties -- how do you combine expressions that involve exponents? How do you know if certain expressions can be positive or negative? How is squaring a fraction different from squaring an actual number?

In geometry and coordinates - you'll need to find the value of certain angles, or the length of certain segments with only the available information given.

Perhaps the more difficult questions are the ones that involve a lot of fractional algebra, rate word problems, mixtures, and combination/permutation related math questions.

But before you can attack these more difficult math questions, you need to solidify your quant fundamentals and equip yourself with tactical strategies that help you solve math questions in as little time as possible. The key is efficiency so you can use that extra time on the extra hard questions.

GMAT Tip: Visualize your Actual Test Center Before You Study Each GMAT Question

Watch a FREE GMAT Combinations + Poker Probability Lesson

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